| // Copyright 2022 Google LLC |
| // |
| // This source code is licensed under the BSD-style license found in the |
| // LICENSE file in the root directory of this source tree. |
| |
| #include <assert.h> |
| |
| #include <immintrin.h> |
| |
| #include <xnnpack/intrinsics-polyfill.h> |
| #include <xnnpack/maxpool.h> |
| |
| |
| void xnn_f16_maxpool_minmax_ukernel_9p8x__f16c_c8( |
| size_t output_pixels, |
| size_t kernel_elements, |
| size_t channels, |
| const void** input, |
| size_t input_offset, |
| void* output, |
| size_t input_increment, |
| size_t output_increment, |
| const union xnn_f16_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS |
| { |
| assert(output_pixels != 0); |
| assert(kernel_elements != 0); |
| assert(channels != 0); |
| |
| const __m256 voutput_min = _mm256_load_ps(params->avx.min); |
| const __m256 voutput_max = _mm256_load_ps(params->avx.max); |
| do { |
| uint16_t* o = output; |
| { |
| const uint16_t* i0 = *input++; |
| const uint16_t* i1 = *input++; |
| const uint16_t* i2 = *input++; |
| const uint16_t* i3 = *input++; |
| const uint16_t* i4 = *input++; |
| const uint16_t* i5 = *input++; |
| const uint16_t* i6 = *input++; |
| const uint16_t* i7 = *input++; |
| const uint16_t* i8 = *input++; |
| i0 = (const uint16_t*) ((uintptr_t) i0 + input_offset); |
| i1 = (const uint16_t*) ((uintptr_t) i1 + input_offset); |
| i2 = (const uint16_t*) ((uintptr_t) i2 + input_offset); |
| i3 = (const uint16_t*) ((uintptr_t) i3 + input_offset); |
| i4 = (const uint16_t*) ((uintptr_t) i4 + input_offset); |
| i5 = (const uint16_t*) ((uintptr_t) i5 + input_offset); |
| i6 = (const uint16_t*) ((uintptr_t) i6 + input_offset); |
| i7 = (const uint16_t*) ((uintptr_t) i7 + input_offset); |
| i8 = (const uint16_t*) ((uintptr_t) i8 + input_offset); |
| if (kernel_elements < 2) { |
| i1 = i0; |
| } |
| if (kernel_elements <= 2) { |
| i2 = i0; |
| } |
| if (kernel_elements < 4) { |
| i3 = i0; |
| } |
| if (kernel_elements <= 4) { |
| i4 = i0; |
| } |
| if (kernel_elements < 6) { |
| i5 = i0; |
| } |
| if (kernel_elements <= 6) { |
| i6 = i0; |
| } |
| if (kernel_elements < 8) { |
| i7 = i0; |
| } |
| if (kernel_elements <= 8) { |
| i8 = i0; |
| } |
| |
| size_t c = channels; |
| for (; c >= 8; c -= 8) { |
| const __m256 vi0 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i0)); |
| i0 += 8; |
| const __m256 vi1 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i1)); |
| i1 += 8; |
| const __m256 vi2 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i2)); |
| i2 += 8; |
| const __m256 vi3 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i3)); |
| i3 += 8; |
| const __m256 vi4 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i4)); |
| i4 += 8; |
| const __m256 vi5 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i5)); |
| i5 += 8; |
| const __m256 vi6 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i6)); |
| i6 += 8; |
| const __m256 vi7 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i7)); |
| i7 += 8; |
| const __m256 vi8 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i8)); |
| i8 += 8; |
| |
| const __m256 vmax018 = _mm256_max_ps(_mm256_max_ps(vi0, vi1), vi8); |
| const __m256 vmax23 = _mm256_max_ps(vi2, vi3); |
| const __m256 vmax45 = _mm256_max_ps(vi4, vi5); |
| const __m256 vmax67 = _mm256_max_ps(vi6, vi7); |
| |
| const __m256 vmax2345 = _mm256_max_ps(vmax23, vmax45); |
| const __m256 vmax01678 = _mm256_max_ps(vmax018, vmax67); |
| const __m256 vmax = _mm256_max_ps(vmax2345, vmax01678); |
| const __m256 vout = _mm256_max_ps(_mm256_min_ps(vmax, voutput_max), voutput_min); |
| |
| _mm_storeu_si128((__m128i*) o, _mm256_cvtps_ph(vout, _MM_FROUND_NO_EXC)); |
| o += 8; |
| } |
| if (c != 0) { |
| const __m256 vi0 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i0)); |
| i0 += 8; |
| const __m256 vi1 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i1)); |
| i1 += 8; |
| const __m256 vi2 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i2)); |
| i2 += 8; |
| const __m256 vi3 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i3)); |
| i3 += 8; |
| const __m256 vi4 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i4)); |
| i4 += 8; |
| const __m256 vi5 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i5)); |
| i5 += 8; |
| const __m256 vi6 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i6)); |
| i6 += 8; |
| const __m256 vi7 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i7)); |
| i7 += 8; |
| const __m256 vi8 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i8)); |
| i8 += 8; |
| |
| const __m256 vmax018 = _mm256_max_ps(_mm256_max_ps(vi0, vi1), vi8); |
| const __m256 vmax23 = _mm256_max_ps(vi2, vi3); |
| const __m256 vmax45 = _mm256_max_ps(vi4, vi5); |
| const __m256 vmax67 = _mm256_max_ps(vi6, vi7); |
| |
| const __m256 vmax2345 = _mm256_max_ps(vmax23, vmax45); |
| const __m256 vmax01678 = _mm256_max_ps(vmax018, vmax67); |
| const __m256 vmax = _mm256_max_ps(vmax2345, vmax01678); |
| __m256 vout = _mm256_max_ps(_mm256_min_ps(vmax, voutput_max), voutput_min); |
| |
| __m128i vh = _mm256_cvtps_ph(vout, _MM_FROUND_NO_EXC); |
| if (c & 4) { |
| _mm_storel_epi64((__m128i*) o, vh); |
| vh = _mm_unpackhi_epi64(vh, vh); |
| o += 4; |
| } |
| if (c & 2) { |
| _mm_storeu_si32(o, vh); |
| vh = _mm_srli_epi64(vh, 32); |
| o += 2; |
| } |
| if (c & 1) { |
| *o = _mm_extract_epi16(vh, 0); |
| o += 1; |
| } |
| } |
| } |
| |
| for (ptrdiff_t k = (ptrdiff_t) kernel_elements - 9; k > 0; k -= 8) { |
| const uint16_t* i0 = *input++; |
| const uint16_t* i1 = *input++; |
| const uint16_t* i2 = *input++; |
| const uint16_t* i3 = *input++; |
| const uint16_t* i4 = *input++; |
| const uint16_t* i5 = *input++; |
| const uint16_t* i6 = *input++; |
| const uint16_t* i7 = *input++; |
| i0 = (const uint16_t*) ((uintptr_t) i0 + input_offset); |
| i1 = (const uint16_t*) ((uintptr_t) i1 + input_offset); |
| i2 = (const uint16_t*) ((uintptr_t) i2 + input_offset); |
| i3 = (const uint16_t*) ((uintptr_t) i3 + input_offset); |
| i4 = (const uint16_t*) ((uintptr_t) i4 + input_offset); |
| i5 = (const uint16_t*) ((uintptr_t) i5 + input_offset); |
| i6 = (const uint16_t*) ((uintptr_t) i6 + input_offset); |
| i7 = (const uint16_t*) ((uintptr_t) i7 + input_offset); |
| if (k < 2) { |
| i1 = i0; |
| } |
| if (k <= 2) { |
| i2 = i0; |
| } |
| if (k < 4) { |
| i3 = i0; |
| } |
| if (k <= 4) { |
| i4 = i0; |
| } |
| if (k < 6) { |
| i5 = i0; |
| } |
| if (k <= 6) { |
| i6 = i0; |
| } |
| if (k < 8) { |
| i7 = i0; |
| } |
| |
| o = output; |
| size_t c = channels; |
| for (; c >= 8; c -= 8) { |
| const __m256 vi0 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i0)); |
| i0 += 8; |
| const __m256 vi1 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i1)); |
| i1 += 8; |
| const __m256 vi2 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i2)); |
| i2 += 8; |
| const __m256 vi3 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i3)); |
| i3 += 8; |
| const __m256 vi4 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i4)); |
| i4 += 8; |
| const __m256 vi5 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i5)); |
| i5 += 8; |
| const __m256 vi6 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i6)); |
| i6 += 8; |
| const __m256 vi7 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i7)); |
| i7 += 8; |
| const __m256 vo = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) o)); |
| |
| const __m256 vmax01 = _mm256_max_ps(_mm256_max_ps(vi0, vi1), vo); |
| const __m256 vmax23 = _mm256_max_ps(vi2, vi3); |
| const __m256 vmax45 = _mm256_max_ps(vi4, vi5); |
| const __m256 vmax67 = _mm256_max_ps(vi6, vi7); |
| |
| const __m256 vmax2345 = _mm256_max_ps(vmax23, vmax45); |
| const __m256 vmax0167 = _mm256_max_ps(vmax01, vmax67); |
| const __m256 vmax = _mm256_max_ps(vmax2345, vmax0167); |
| const __m256 vout = _mm256_max_ps(_mm256_min_ps(vmax, voutput_max), voutput_min); |
| |
| _mm_storeu_si128((__m128i*) o, _mm256_cvtps_ph(vout, _MM_FROUND_NO_EXC)); |
| o += 8; |
| } |
| if (c != 0) { |
| const __m256 vi0 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i0)); |
| const __m256 vi1 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i1)); |
| const __m256 vi2 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i2)); |
| const __m256 vi3 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i3)); |
| const __m256 vi4 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i4)); |
| const __m256 vi5 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i5)); |
| const __m256 vi6 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i6)); |
| const __m256 vi7 = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) i7)); |
| const __m256 vo = _mm256_cvtph_ps(_mm_loadu_si128((const __m128i*) o)); |
| |
| const __m256 vmax01 = _mm256_max_ps(_mm256_max_ps(vi0, vi1), vo); |
| const __m256 vmax23 = _mm256_max_ps(vi2, vi3); |
| const __m256 vmax45 = _mm256_max_ps(vi4, vi5); |
| const __m256 vmax67 = _mm256_max_ps(vi6, vi7); |
| |
| const __m256 vmax2345 = _mm256_max_ps(vmax23, vmax45); |
| const __m256 vmax0167 = _mm256_max_ps(vmax01, vmax67); |
| const __m256 vmax = _mm256_max_ps(vmax2345, vmax0167); |
| __m256 vout = _mm256_max_ps(_mm256_min_ps(vmax, voutput_max), voutput_min); |
| |
| __m128i vh = _mm256_cvtps_ph(vout, _MM_FROUND_NO_EXC); |
| if (c & 4) { |
| _mm_storel_epi64((__m128i*) o, vh); |
| vh = _mm_unpackhi_epi64(vh, vh); |
| o += 4; |
| } |
| if (c & 2) { |
| _mm_storeu_si32(o, vh); |
| vh = _mm_srli_epi64(vh, 32); |
| o += 2; |
| } |
| if (c & 1) { |
| *o = _mm_extract_epi16(vh, 0); |
| o += 1; |
| } |
| } |
| } |
| input = (const void**) ((uintptr_t) input + input_increment); |
| output = (uint16_t*) ((uintptr_t) o + output_increment); |
| } while (--output_pixels != 0); |
| } |
